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    Home » Recipes » Holiday » Thanksgiving » Classic Sweet Potato Casserole recipe

    PUBLISHED: November 10, 2020 • By Toni Dash 35 Comments

    Classic Sweet Potato Casserole recipe

    Jump to Recipe

    This post may include affiliate links. As an Amazon Associate I earn from qualifying purchases.

    SWEET POTATO CASSEROLE TITLE IMAGE

    Classic Sweet Potato Casserole is an easy Thanksgiving side dish that is well loved. This traditional casserole is full of creamy mashed sweet potatoes mixed with loads of butter, pecans and brown sugar.

    The marshmallow and pecan topping is sweet and crunchy. Can be made ahead too!

    SWEET POTATO CASSEROLE TITLE IMAGE

    Just like iconic Green Bean Casserole (though ours has a French twist) or Creamed Corn, Thanksgiving doesn’t seem complete without Sweet Potato Casserole. 

    Every family does it their own way and I’m sharing hour family loved recipe.

    Love it or loathe it, there is always someone at the Thanksgiving dinner wants it!

    Are you a sweet potato renegade?

    Try spicy Instant Pot Mashed Chipotle Sweet Potatoes, Chipotle Scalloped Sweet Potatoes or Green Chile au Gratin Potatoes. 

    They have a wonderful spicy flavor to go along with the sweetness in the potatoes.

    scoop of sweet potato casserole

    Easy Sweet Potato Casserole

    If you can mash sweet potatoes you can make this casserole! It’s an easy dish that has mass appeal. 

    The mix of butter, the natural sweetness of the potatoes, brown sugar and marshmallows on top are a homey comfort food.

    It’s a recipe people either love or they don’t. Those who do can’t imagine Thanksgiving without it. 

    If the sweetness is not to your linking try Creamy Mashed Sweet Potatoes. It doesn’t include extra sweeteners.

    It’s also an Instant Pot recipe so out of your mainstream oven or stove top cooking.

    The pecans in this casserole add a wonderful texture and nutty flavor in every bite.

    Including them both with the mashed sweet potatoes and on top ensures you’ll get some in every bite!

    Sweet Potato Casserole with Marshmallows

    Besides the sweet potatoes, the toasted marshmallows on top are probably the most classic ingredient. 

    They become soft and melty when cooked with a toasted top like S’mores!

    sweet potato casserole ingredients

    Recipe Ingredients + Notes

    Sweet Potatoes. Any type of sweet potatoes can be used. You’ll need three pounds total for the casserole.

    Brown Sugar. This sweetener gives the side dish its well loved sweetness added both the mashed potatoes and topping.

    Unsalted Butter. We prefer unsalted butter to add to the potatoes but if you like salted butter that can be used too.

    Cinnamon. A bit of cinnamon heightens the flavor of the potatoes and gives a homey warming flavor.

    Vanilla Extract. Adds to the homey flavors.

    Pecans. Use chopped pecans. For a time saver buy them already chopped!

    Mini Marshmallows. The classic version of this casserole isn’t complete without the mini marshmallows melted on top!

    sweet potato casserole quarter view

    How to Make Sweet Potato Casserole from Scratch – Step-by-Step

    STEP 1. Preparation.

    Preheat the oven to 375 degrees F. Spray a 9-inch by 13-inch casserole dish with non-stick food spray.

    STEP 2. Mash the Sweet Potatoes.

    Place the cubed peeled sweet potatoes in a large pot with the 2 cups of water (photo 1).

    Bring to a boil and reduce to simmer. Simmer for 20-25 minutes or until the potatoes are softened. 

    Drain the water and transfer to a large bowl to cool slightly.

    Once cooled mash with a potato masher or fork

    Stir in the butter, vanilla extract, cinnamon, 3/4 cup of the brown sugar, 1/4 cup of the pecans. Mix to combine well (photo 2).

    sweet potota casserole recipe steps 1-4

    STEP 3. Make the Casserole.

    Spoon the sweet potato mixture into the prepared baking dish (photo 3).

    Toss the remaining sugar and pecans together in a small bowl (photo 4). Sprinkle evenly on top of the potatoes (photo 5).

    Distribute the marshmallows on top (photo 6).

    sweet potato casserole recipe step 5-8

    STEP 4. Bake the Casserole.

    Bake in the oven for 15 minutes. Until the casserole is warmed through and the marshmallows are slightly golden in color and toasted on top (photo 7).

    Serve warm (photo 8).

    How to Make it Ahead!

    To make Thanksgiving preparation easier you can make the casserole ahead of time. 

    • Make the casserole as directed but do not add the topping or marshmallows. 
    • Cover and chill in the refrigerator overnight. 
    • Remove from the refrigerator 30 minutes before baking. Preheat oven to 375 degrees.
    • Cook the casserole for 20 minutes until the potatoes are warm (check the middle of the casserole too).
    • Remove from the oven. Add the topping and the marshmallows.
    • Return to the oven and bake 15 minutes more until the marshmallows are golden and toasted. 

    Storing Leftovers

    Store leftovers sealed in the refrigerator for up to 3 days. 

    To reheat, use the microwave and reheat in servings for fastest results.

    Sweet Potato Casserole in pan

    What to Serve with It

    • Easy Roast Turkey or Instant Pot Turkey Breast
    • Twice Baked Potato Casserole
    • Fresh Green Beans with Bacon and Sliced Almonds
    • Best Crustless Pumpkin Pie
    • Spicy Jalapeno Cranberry Sauce
    • Pumpkin Cheesecake

    Try these Recipes too!

    • Easy Mexican Chicken Casserole
    • Overnight Breakfast Casserole
    • Mexican Breakfast Chicken Tortilla Lasagna Casserole
    Did you make it? Please RATE THE RECIPE below!

    Please SUBSCRIBE and FOLLOW ME on FACEBOOK , TWITTER , INSTAGRAM and PINTEREST !

    SWEET POTATO CASSEROLE TITLE IMAGE

    Classic Sweet Potato Casserole

    This traditional Sweet Potato Casserole recipe is a classic. Full of buttery potatoes, pecans, brown sugar and marshmallows on top!
    5 from 21 votes
    Print Save Recipe Recipe Saved! Pin Rate
    Course: Side Dish
    Cuisine: American
    Prep Time: 15 minutes
    Cook Time: 40 minutes
    Total Time: 55 minutes
    Servings: 12
    Calories: 303kcal
    Author: Toni Dash
    Prevent your screen from going dark

    Ingredients

    • 3 pounds Sweet potatoes peeled and cut into 1-inch cubes
    • 2 cups Water
    • 1 cup packed Brown Sugar
    • ⅓ cup Unsalted butter softened and cut into pieces
    • 1 teaspoon ground Cinnamon
    • 1 teaspoon Vanilla extract
    • 1 cup chopped Pecans
    • 2 cups Mini Marshmallows

    Instructions

    • Preheat the oven to 375 degrees. Spray a 9-inch by 13-inch baking dish with non-stick cooking spray.
    • Place the sweet potato cubes into a large pot with 2 cups of water. Bring to a boil, then reduce heat and cover.
      Simmer potatoes for 20-25 minutes or until softened through. Drain any excess liquid and transfer to a bowl to cool.
    • Once potatoes have cooled, mash with a potato masher or fork until desired consistency is achieved.
    • Stir in butter, vanilla extract, cinnamon, 3/4 cup of brown sugar and ¼ cup of the chopped pecans until well combined.
    • Spoon the sweet potato mixture into the prepared baking dish.
    • Toss the remaining 1/4 cup brown sugar and 3/4 cup pecans together in a small bowl. Sprinkle the mixture evenly on top of the potatoes.
      Top with the mini marshmallows.
    • Bake in the oven for 15 minutes, until marshmallows are slightly golden and toasted on top. Serve warm!

    Notes

    Make it Ahead
    This casserole can be prepared the night before and refrigerated. Chill, covered, without the topping. Remove from refrigerator 30 minutes before baking. Bake just the sweet potato mixture for 20 minutes at 375. Add the topping and bake 15 more minutes until the marshmallows are toasted. 

    Nutrition

    Calories: 303kcal | Carbohydrates: 49g | Protein: 3g | Fat: 12g | Saturated Fat: 4g | Cholesterol: 14mg | Sodium: 77mg | Potassium: 444mg | Fiber: 4g | Sugar: 28g | Vitamin A: 16250IU | Vitamin C: 3mg | Calcium: 60mg | Iron: 1mg
    Did you make this recipe?Mention @boulderlocavore or tag #boulderlocavore!
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    ABOUT THE AUTHOR

    TONI DASH
    Toni Dash head shot

    Toni Dash, is a Certified Nutrition Coach and the writer/blogger, photographer, recipe developer and creator of Boulder Locavore®. She has been developing easy to make, well-tested recipes since 2010. Her seasonal recipes bring excitement to the dining table for both gluten-free and gluten diners. Toni has been featured in numerous publications and on culinary websites for her creative, delicious recipes and travel features. For more details, check out her About page.

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      Recipe Rating




    1. Ntensibe Edgar says

      November 12, 2020 at 2:54 am

      Hhhhmmmm….this must be a nice one! I hope I can store it for a good while, before I enjoy it with my people at home. They give me the best feedback on my cooking.

      Reply
    2. cathy says

      November 11, 2020 at 10:34 am

      5 stars
      The perfect classic recipe that everyone in my family begs for!

      Reply
    3. Allyson Zea says

      November 11, 2020 at 10:25 am

      This is the perfect side dish for Thanksgiving! Thanks for the easy to follow directions!

      Reply
    4. Emily Fata says

      November 11, 2020 at 9:35 am

      Ouu yummy! This looks like such a great recipe to try out. I’d love to try it myself one of these days.

      Reply
    5. Cathy says

      November 11, 2020 at 9:10 am

      One of my favorites since childhood!

      Reply
    6. Beti says

      November 11, 2020 at 5:28 am

      5 stars
      This sweet potato casserole is incredibly delicious! Perfect for the holidays!

      Reply
    7. katerina says

      November 11, 2020 at 5:27 am

      5 stars
      Such a delicious sweet potato casserole! My family is going to LOVE IT!! YUM!

      Reply
    8. Gervin Khan says

      November 11, 2020 at 3:13 am

      5 stars
      This was so easy and delicious. Saving your recipe, thank you!

      Reply
    9. Ryan Escat says

      November 10, 2020 at 11:21 pm

      5 stars
      I never imagined I’d love marshmallows on a casserole like this but it’s delicious!

      Reply
    10. Sherry says

      November 10, 2020 at 9:26 pm

      I love sweet potatoes but I am the only one in my household that does. I’ve been craving them lately. More casserole for me.

      Reply
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    About Toni Dash

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    Welcome! I’m Toni. I’m a Certified Nutrition Coach and my goal is to MAKE YOUR LIFE EASIER with delicious, well-tested recipes and travel tips! More About Me …

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